GPT-5.4 nano
Cheapest GPT-5.4 lane for simple routing, extraction, and bulk automation
ECI STANDING#71 of 266
SCORE145.85143.7–147.77 CI
FRONTIER LAGLaunched 11.0 months behindScores about what o3 did in April 2025.
SCORES LIKE THESE MODELSGLM-5Z.ai (Zhipu AI) · Feb 2026145.85
Full Epoch Capabilities Index ranking ↗MiniMax-M2.7MiniMax · Mar 2026145.8
Kimi K2 ThinkingMoonshot · Nov 2025145.76o4-miniOpenAI · Apr 2025145.65RELEASE DATEMar 17, 2026
WEIGHTSClosed weights
CONTEXT WINDOW400K
MAX OUTPUT128K
REASONINGYes
TOOL CALLINGYes
INPUTStext, image
OUTPUTStext
Specifications from Models.dev. Availability and limits may differ by provider. Benchmark scores come from Epoch AI under CC BY 4.0.